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Storyboard doesn't contain a view controller with identifier

...using Storyboards. I was having the same issue, but I could not find the "Identifier" field in the inspector. Instead, just set the field named "Storyboard ID" to what you would name the Identifier. This field can be found under the "Show the Identity inspector" tab in the inspector. [Note - comme...
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Only one expression can be specified in the select list when the subquery is not introduced with EXI

...(or multiple) columns in your subquery to do the comparison in the WHERE A_ID IN (subquery) clause - which column is it supposed to compare A_ID to? Your subquery must only return the one column needed for the comparison to the column on the other side of the IN. So the query needs to be of the form...
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How to parse JSON in Java

...text. How can I parse it to get the values of pageName , pagePic , post_id , etc.? 34 Answers ...
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CSS selector for a checked radio button's label

... that is checked works very nicely for the following markup: <input id="rad1" type="radio" name="rad"/><label for="rad1">Radio 1</label> <input id="rad2" type="radio" name="rad"/><label for="rad2">Radio 2</label> ... and it will work for any structure, with ...
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How do you get the “object reference” of an object in java when toString() and hashCode() have been

...if it is a unique object in memory that isn't a good way to do it. System.identityHashCode does the following: Returns the same hash code for the given object as would be returned by the default method hashCode(), whether or not the given object's class overrides hashCode(). The hash code for t...
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How to overlay one div over another div

I need assistance with overlaying one individual div over another individual div . 8 Answers ...
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Illegal string offset Warning PHP

...uses illegal string offset error You can see this in action here: http://ideone.com/fMhmkR For those who come to this question trying to translate the vagueness of the error into something to do about it, as I was. share ...
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Canvas width and height in HTML5

Is it possible to fix the width and height of an HTML5 canvas element? 4 Answers 4 ...
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Foreign Key naming scheme

... If the foreign key points to a candidate key on the second table rather than a primary key, then you'd probably use a third segment to the name to qualify this. It's an unusual situation to be in, and not one you'd typically design in from scratch, so I didn't...
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What is a serialVersionUID and why should I use it?

Eclipse issues warnings when a serialVersionUID is missing. 26 Answers 26 ...